1 Answer, 1 is accepted
Hello, Sun,
Please have a look at the following help article which demonstrates how to notify the RadTreeView control for any changes and keep the state:
https://docs.telerik.com/devtools/winforms/controls/treeview/how-to/keep-radtreeview-states-on-reset
I hope this information helps. If you need any further assistance please don't hesitate to contact me.
Regards,
Dess | Tech Support Engineer, Principal
Progress Telerik
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Rank 1
Iron
i don't want to implement INotifyPropertyChanged interface, is there another approach ?
someone tell me to use bindingsource object ,when the datamodel changed ,just call the resetbinding method ,but it still couldn't work here
Indeed, it is also a suitable approach. The following tutorial demonstrates how to notify the control that your data source has changed by calling the ResetBindings method.